/*
- * Copyright (C) 1995-2007, Index Data ApS
+ * Copyright (C) 1995-2008, Index Data ApS
* See the file LICENSE for details.
*
- * $Id: siconv.c,v 1.49 2008-03-05 21:21:22 adam Exp $
+ * $Id: siconv.c,v 1.50 2008-03-12 08:53:28 adam Exp $
*/
/**
* \file siconv.c
#include <iconv.h>
#endif
+#include <yaz/xmalloc.h>
+#include <yaz/nmem.h>
+#include "iconv-p.h"
-#include <yaz/yaz-util.h>
unsigned long yaz_marc8_42_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
unsigned long yaz_marc8r_31_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-#define ESC "\033"
-
struct yaz_iconv_struct {
int my_errno;
int init_flag;
const char *write_marc8_g1;
};
+
static struct {
unsigned long x1, x2;
unsigned y;
{ 0, 0, 0}
};
+#define ESC "\033"
+
static size_t yaz_write_marc8_page_chr(yaz_iconv_t cd,
char **outbuf, size_t *outbytesleft,
const char *page_chr);
-static unsigned long yaz_read_ISO8859_1 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
+static unsigned long yaz_read_ISO8859_1(yaz_iconv_t cd, unsigned char *inp,
+ size_t inbytesleft, size_t *no_read)
{
unsigned long x = inp[0];
*no_read = 1;
}
-static size_t yaz_init_UTF8 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- if (inp[0] != 0xef)
- {
- *no_read = 0;
- return 0;
- }
- if (inbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_EINVAL;
- return (size_t) -1;
- }
- if (inp[1] != 0xbb && inp[2] == 0xbf)
- *no_read = 3;
- else
- *no_read = 0;
- return 0;
-}
-
-unsigned long yaz_read_UTF8_char(unsigned char *inp,
- size_t inbytesleft, size_t *no_read,
- int *error)
-{
- unsigned long x = 0;
-
- *no_read = 0; /* by default */
- if (inp[0] <= 0x7f)
- {
- x = inp[0];
- *no_read = 1;
- }
- else if (inp[0] <= 0xbf || inp[0] >= 0xfe)
- {
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xdf && inbytesleft >= 2)
- {
- if ((inp[1] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x1f) << 6) | (inp[1] & 0x3f);
- if (x >= 0x80)
- *no_read = 2;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xef && inbytesleft >= 3)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x0f) << 12) | ((inp[1] & 0x3f) << 6) |
- (inp[2] & 0x3f);
- if (x >= 0x800)
- *no_read = 3;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xf7 && inbytesleft >= 4)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80
- && (inp[3] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x07) << 18) | ((inp[1] & 0x3f) << 12) |
- ((inp[2] & 0x3f) << 6) | (inp[3] & 0x3f);
- if (x >= 0x10000)
- *no_read = 4;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xfb && inbytesleft >= 5)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80
- && (inp[3] & 0xc0) == 0x80 && (inp[4] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x03) << 24) | ((inp[1] & 0x3f) << 18) |
- ((inp[2] & 0x3f) << 12) | ((inp[3] & 0x3f) << 6) |
- (inp[4] & 0x3f);
- if (x >= 0x200000)
- *no_read = 5;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xfd && inbytesleft >= 6)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80
- && (inp[3] & 0xc0) == 0x80 && (inp[4] & 0xc0) == 0x80
- && (inp[5] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x01) << 30) | ((inp[1] & 0x3f) << 24) |
- ((inp[2] & 0x3f) << 18) | ((inp[3] & 0x3f) << 12) |
- ((inp[4] & 0x3f) << 6) | (inp[5] & 0x3f);
- if (x >= 0x4000000)
- *no_read = 6;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EINVAL; /* incomplete sentence */
-
- return x;
-}
-
-static unsigned long yaz_read_UTF8 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- return yaz_read_UTF8_char(inp, inbytesleft, no_read, &cd->my_errno);
-}
-
-static unsigned long yaz_read_UCS4 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
-
- if (inbytesleft < 4)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- }
- else
- {
- x = (inp[0]<<24) | (inp[1]<<16) | (inp[2]<<8) | inp[3];
- *no_read = 4;
- }
- return x;
-}
-
-static unsigned long yaz_read_UCS4LE (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
-
- if (inbytesleft < 4)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- }
- else
- {
- x = (inp[3]<<24) | (inp[2]<<16) | (inp[1]<<8) | inp[0];
- *no_read = 4;
- }
- return x;
-}
#if HAVE_WCHAR_H
static unsigned long yaz_read_wchar_t (yaz_iconv_t cd, unsigned char *inp,
}
#endif
-static unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
- int tonos = 0;
- int dialitika = 0;
-
- *no_read = 0;
- while (inbytesleft > 0)
- {
- if (*inp == 0xa2)
- {
- tonos = 1;
- }
- else if (*inp == 0xa3)
- {
- dialitika = 1;
- }
- else
- break;
- inp++;
- --inbytesleft;
- (*no_read)++;
- }
- if (inbytesleft == 0)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- return 0;
- }
- switch (*inp) {
- case 0xe1: /* alpha small */
- if (tonos)
- x = 0x03ac;
- else
- x = 0x03b1;
- break;
- case 0xc1: /* alpha capital */
- if (tonos)
- x = 0x0386;
- else
- x = 0x0391;
- break;
-
- case 0xe2: /* Beta small */
- x = 0x03b2;
- break;
- case 0xc2: /* Beta capital */
- x = 0x0392;
- break;
-
- case 0xe4: /* Gamma small */
- x = 0x03b3;
- break;
- case 0xc4: /* Gamma capital */
- x = 0x0393;
- break;
-
- case 0xe5: /* Delta small */
- x = 0x03b4;
- break;
- case 0xc5: /* Delta capital */
- x = 0x0394;
- break;
- case 0xe6: /* epsilon small */
- if (tonos)
- x = 0x03ad;
- else
- x = 0x03b5;
- break;
- case 0xc6: /* epsilon capital */
- if (tonos)
- x = 0x0388;
- else
- x = 0x0395;
- break;
- case 0xe9: /* Zeta small */
- x = 0x03b6;
- break;
- case 0xc9: /* Zeta capital */
- x = 0x0396;
- break;
- case 0xea: /* Eta small */
- if (tonos)
- x = 0x03ae;
- else
- x = 0x03b7;
- break;
- case 0xca: /* Eta capital */
- if (tonos)
- x = 0x0389;
- else
- x = 0x0397;
- break;
- case 0xeb: /* Theta small */
- x = 0x03b8;
- break;
- case 0xcb: /* Theta capital */
- x = 0x0398;
- break;
- case 0xec: /* Iota small */
- if (tonos)
- if (dialitika)
- x = 0x0390;
- else
- x = 0x03af;
- else
- if (dialitika)
- x = 0x03ca;
- else
- x = 0x03b9;
- break;
- case 0xcc: /* Iota capital */
- if (tonos)
- x = 0x038a;
- else
- if (dialitika)
- x = 0x03aa;
- else
- x = 0x0399;
- break;
- case 0xed: /* Kappa small */
- x = 0x03ba;
- break;
- case 0xcd: /* Kappa capital */
- x = 0x039a;
- break;
- case 0xee: /* Lambda small */
- x = 0x03bb;
- break;
- case 0xce: /* Lambda capital */
- x = 0x039b;
- break;
- case 0xef: /* Mu small */
- x = 0x03bc;
- break;
- case 0xcf: /* Mu capital */
- x = 0x039c;
- break;
- case 0xf0: /* Nu small */
- x = 0x03bd;
- break;
- case 0xd0: /* Nu capital */
- x = 0x039d;
- break;
- case 0xf1: /* Xi small */
- x = 0x03be;
- break;
- case 0xd1: /* Xi capital */
- x = 0x039e;
- break;
- case 0xf2: /* Omicron small */
- if (tonos)
- x = 0x03cc;
- else
- x = 0x03bf;
- break;
- case 0xd2: /* Omicron capital */
- if (tonos)
- x = 0x038c;
- else
- x = 0x039f;
- break;
- case 0xf3: /* Pi small */
- x = 0x03c0;
- break;
- case 0xd3: /* Pi capital */
- x = 0x03a0;
- break;
- case 0xf5: /* Rho small */
- x = 0x03c1;
- break;
- case 0xd5: /* Rho capital */
- x = 0x03a1;
- break;
- case 0xf7: /* Sigma small (end of words) */
- x = 0x03c2;
- break;
- case 0xf6: /* Sigma small */
- x = 0x03c3;
- break;
- case 0xd6: /* Sigma capital */
- x = 0x03a3;
- break;
- case 0xf8: /* Tau small */
- x = 0x03c4;
- break;
- case 0xd8: /* Tau capital */
- x = 0x03a4;
- break;
- case 0xf9: /* Upsilon small */
- if (tonos)
- if (dialitika)
- x = 0x03b0;
- else
- x = 0x03cd;
- else
- if (dialitika)
- x = 0x03cb;
- else
- x = 0x03c5;
- break;
- case 0xd9: /* Upsilon capital */
- if (tonos)
- x = 0x038e;
- else
- if (dialitika)
- x = 0x03ab;
- else
- x = 0x03a5;
- break;
- case 0xfa: /* Phi small */
- x = 0x03c6;
- break;
- case 0xda: /* Phi capital */
- x = 0x03a6;
- break;
- case 0xfb: /* Chi small */
- x = 0x03c7;
- break;
- case 0xdb: /* Chi capital */
- x = 0x03a7;
- break;
- case 0xfc: /* Psi small */
- x = 0x03c8;
- break;
- case 0xdc: /* Psi capital */
- x = 0x03a8;
- break;
- case 0xfd: /* Omega small */
- if (tonos)
- x = 0x03ce;
- else
- x = 0x03c9;
- break;
- case 0xdd: /* Omega capital */
- if (tonos)
- x = 0x038f;
- else
- x = 0x03a9;
- break;
- default:
- x = *inp;
- break;
- }
- (*no_read)++;
-
- return x;
-}
-
-static size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- size_t k = 0;
- unsigned char *out = (unsigned char*) *outbuf;
- if (*outbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- switch (x)
- {
- case 0x03ac : out[k++]=0xa2; out[k++]=0xe1; break;
- case 0x03b1 : out[k++]=0xe1; break;
- case 0x0386 : out[k++]=0xa2; out[k++]=0xc1; break;
- case 0x0391 : out[k++]=0xc1; break;
- case 0x03b2 : out[k++]=0xe2; break;
- case 0x0392 : out[k++]=0xc2; break;
- case 0x03b3 : out[k++]=0xe4; break;
- case 0x0393 : out[k++]=0xc4; break;
- case 0x03b4 : out[k++]=0xe5; break;
- case 0x0394 : out[k++]=0xc5; break;
- case 0x03ad : out[k++]=0xa2; out[k++]=0xe6; break;
- case 0x03b5 : out[k++]=0xe6; break;
- case 0x0388 : out[k++]=0xa2; out[k++]=0xc6; break;
- case 0x0395 : out[k++]=0xc6; break;
- case 0x03b6 : out[k++]=0xe9; break;
- case 0x0396 : out[k++]=0xc9; break;
- case 0x03ae : out[k++]=0xa2; out[k++]=0xea; break;
- case 0x03b7 : out[k++]=0xea; break;
- case 0x0389 : out[k++]=0xa2; out[k++]=0xca; break;
- case 0x0397 : out[k++]=0xca; break;
- case 0x03b8 : out[k++]=0xeb; break;
- case 0x0398 : out[k++]=0xcb; break;
- case 0x0390 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xec; break;
- case 0x03af : out[k++]=0xa2; out[k++]=0xec; break;
- case 0x03ca : out[k++]=0xa3; out[k++]=0xec; break;
- case 0x03b9 : out[k++]=0xec; break;
- case 0x038a : out[k++]=0xa2; out[k++]=0xcc; break;
- case 0x03aa : out[k++]=0xa3; out[k++]=0xcc; break;
- case 0x0399 : out[k++]=0xcc; break;
- case 0x03ba : out[k++]=0xed; break;
- case 0x039a : out[k++]=0xcd; break;
- case 0x03bb : out[k++]=0xee; break;
- case 0x039b : out[k++]=0xce; break;
- case 0x03bc : out[k++]=0xef; break;
- case 0x039c : out[k++]=0xcf; break;
- case 0x03bd : out[k++]=0xf0; break;
- case 0x039d : out[k++]=0xd0; break;
- case 0x03be : out[k++]=0xf1; break;
- case 0x039e : out[k++]=0xd1; break;
- case 0x03cc : out[k++]=0xa2; out[k++]=0xf2; break;
- case 0x03bf : out[k++]=0xf2; break;
- case 0x038c : out[k++]=0xa2; out[k++]=0xd2; break;
- case 0x039f : out[k++]=0xd2; break;
- case 0x03c0 : out[k++]=0xf3; break;
- case 0x03a0 : out[k++]=0xd3; break;
- case 0x03c1 : out[k++]=0xf5; break;
- case 0x03a1 : out[k++]=0xd5; break;
- case 0x03c2 : out[k++]=0xf7; break;
- case 0x03c3 : out[k++]=0xf6; break;
- case 0x03a3 : out[k++]=0xd6; break;
- case 0x03c4 : out[k++]=0xf8; break;
- case 0x03a4 : out[k++]=0xd8; break;
- case 0x03b0 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xf9; break;
- case 0x03cd : out[k++]=0xa2; out[k++]=0xf9; break;
- case 0x03cb : out[k++]=0xa3; out[k++]=0xf9; break;
- case 0x03c5 : out[k++]=0xf9; break;
- case 0x038e : out[k++]=0xa2; out[k++]=0xd9; break;
- case 0x03ab : out[k++]=0xa3; out[k++]=0xd9; break;
- case 0x03a5 : out[k++]=0xd9; break;
- case 0x03c6 : out[k++]=0xfa; break;
- case 0x03a6 : out[k++]=0xda; break;
- case 0x03c7 : out[k++]=0xfb; break;
- case 0x03a7 : out[k++]=0xdb; break;
- case 0x03c8 : out[k++]=0xfc; break;
- case 0x03a8 : out[k++]=0xdc; break;
- case 0x03ce : out[k++]=0xa2; out[k++]=0xfd; break;
- case 0x03c9 : out[k++]=0xfd; break;
- case 0x038f : out[k++]=0xa2; out[k++]=0xdd; break;
- case 0x03a9 : out[k++]=0xdd; break;
- default:
- if (x > 255)
- {
- cd->my_errno = YAZ_ICONV_EILSEQ;
- return (size_t) -1;
- }
- out[k++] = x;
- break;
- }
- *outbytesleft -= k;
- (*outbuf) += k;
- return 0;
-}
-
-static unsigned long yaz_read_advancegreek(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
- int shift = 0;
- int tonos = 0;
- int dialitika = 0;
-
- *no_read = 0;
- while (inbytesleft > 0)
- {
- if (*inp == 0x9d)
- {
- tonos = 1;
- }
- else if (*inp == 0x9e)
- {
- dialitika = 1;
- }
- else if (*inp == 0x9f)
- {
- shift = 1;
- }
- else
- break;
- inp++;
- --inbytesleft;
- (*no_read)++;
- }
- if (inbytesleft == 0)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- return 0;
- }
- switch (*inp) {
- case 0x81:
- if (shift)
- if (tonos)
- x = 0x0386;
- else
- x = 0x0391;
- else
- if (tonos)
- x = 0x03ac;
- else
- x = 0x03b1;
- break;
- case 0x82:
- if (shift)
- x = 0x0392;
- else
- x = 0x03b2;
-
- break;
- case 0x83:
- if (shift)
- x = 0x0393;
- else
- x = 0x03b3;
- break;
- case 0x84:
- if (shift)
- x = 0x0394;
- else
- x = 0x03b4;
- break;
- case 0x85:
- if (shift)
- if (tonos)
- x = 0x0388;
- else
- x = 0x0395;
- else
- if (tonos)
- x = 0x03ad;
- else
- x = 0x03b5;
- break;
- case 0x86:
- if (shift)
- x = 0x0396;
- else
- x = 0x03b6;
- break;
- case 0x87:
- if (shift)
- if (tonos)
- x = 0x0389;
- else
- x = 0x0397;
- else
- if (tonos)
- x = 0x03ae;
- else
- x = 0x03b7;
- break;
- case 0x88:
- if (shift)
- x = 0x0398;
- else
- x = 0x03b8;
- break;
- case 0x89:
- if (shift)
- if (tonos)
- x = 0x038a;
- else
- if (dialitika)
- x = 0x03aa;
- else
- x = 0x0399;
- else
- if (tonos)
- if (dialitika)
- x = 0x0390;
- else
- x = 0x03af;
-
- else
- if (dialitika)
- x = 0x03ca;
- else
- x = 0x03b9;
- break;
- case 0x8a:
- if (shift)
- x = 0x039a;
- else
- x = 0x03ba;
-
- break;
- case 0x8b:
- if (shift)
- x = 0x039b;
- else
- x = 0x03bb;
- break;
- case 0x8c:
- if (shift)
- x = 0x039c;
- else
- x = 0x03bc;
-
- break;
- case 0x8d:
- if (shift)
- x = 0x039d;
- else
- x = 0x03bd;
- break;
- case 0x8e:
- if (shift)
- x = 0x039e;
- else
- x = 0x03be;
- break;
- case 0x8f:
- if (shift)
- if (tonos)
- x = 0x038c;
- else
- x = 0x039f;
- else
- if (tonos)
- x = 0x03cc;
- else
- x = 0x03bf;
- break;
- case 0x90:
- if (shift)
- x = 0x03a0;
- else
- x = 0x03c0;
- break;
- case 0x91:
- if (shift)
- x = 0x03a1;
- else
- x = 0x03c1;
- break;
- case 0x92:
- x = 0x03c2;
- break;
- case 0x93:
- if (shift)
- x = 0x03a3;
- else
- x = 0x03c3;
- break;
- case 0x94:
- if (shift)
- x = 0x03a4;
- else
- x = 0x03c4;
- break;
- case 0x95:
- if (shift)
- if (tonos)
- x = 0x038e;
- else
- if (dialitika)
- x = 0x03ab;
- else
- x = 0x03a5;
- else
- if (tonos)
- if (dialitika)
- x = 0x03b0;
- else
- x = 0x03cd;
-
- else
- if (dialitika)
- x = 0x03cb;
- else
- x = 0x03c5;
- break;
- case 0x96:
- if (shift)
- x = 0x03a6;
- else
- x = 0x03c6;
- break;
- case 0x97:
- if (shift)
- x = 0x03a7;
- else
- x = 0x03c7;
- break;
- case 0x98:
- if (shift)
- x = 0x03a8;
- else
- x = 0x03c8;
-
- break;
-
- case 0x99:
- if (shift)
- if (tonos)
- x = 0x038f;
- else
- x = 0x03a9;
- else
- if (tonos)
- x = 0x03ce;
- else
- x = 0x03c9;
- break;
- default:
- x = *inp;
- break;
- }
- (*no_read)++;
-
- return x;
-}
-
-static size_t yaz_write_advancegreek(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- size_t k = 0;
- unsigned char *out = (unsigned char*) *outbuf;
- if (*outbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- switch (x)
- {
- case 0x03ac : out[k++]=0x9d; out[k++]=0x81; break;
- case 0x03ad : out[k++]=0x9d; out[k++]=0x85; break;
- case 0x03ae : out[k++]=0x9d; out[k++]=0x87; break;
- case 0x03af : out[k++]=0x9d; out[k++]=0x89; break;
- case 0x03cc : out[k++]=0x9d; out[k++]=0x8f; break;
- case 0x03cd : out[k++]=0x9d; out[k++]=0x95; break;
- case 0x03ce : out[k++]=0x9d; out[k++]=0x99; break;
- case 0x0390 : out[k++]=0x9d; out[k++]=0x9e; out[k++]=0x89; break;
- case 0x03b0 : out[k++]=0x9d; out[k++]=0x9e; out[k++]=0x95; break;
- case 0x0386 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x81; break;
- case 0x0388 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x85; break;
- case 0x0389 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x87; break;
- case 0x038a : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x89; break;
- case 0x038c : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x8f; break;
- case 0x038e : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x95; break;
- case 0x038f : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x99; break;
- case 0x03ca : out[k++]=0x9e; out[k++]=0x89; break;
- case 0x03cb : out[k++]=0x9e; out[k++]=0x95; break;
- case 0x03aa : out[k++]=0x9e; out[k++]=0x9f; out[k++]=0x89; break;
- case 0x03ab : out[k++]=0x9e; out[k++]=0x9f; out[k++]=0x95; break;
- case 0x0391 : out[k++]=0x9f; out[k++]=0x81; break;
- case 0x0392 : out[k++]=0x9f; out[k++]=0x82; break;
- case 0x0393 : out[k++]=0x9f; out[k++]=0x83; break;
- case 0x0394 : out[k++]=0x9f; out[k++]=0x84; break;
- case 0x0395 : out[k++]=0x9f; out[k++]=0x85; break;
- case 0x0396 : out[k++]=0x9f; out[k++]=0x86; break;
- case 0x0397 : out[k++]=0x9f; out[k++]=0x87; break;
- case 0x0398 : out[k++]=0x9f; out[k++]=0x88; break;
- case 0x0399 : out[k++]=0x9f; out[k++]=0x89; break;
- case 0x039a : out[k++]=0x9f; out[k++]=0x8a; break;
- case 0x039b : out[k++]=0x9f; out[k++]=0x8b; break;
- case 0x039c : out[k++]=0x9f; out[k++]=0x8c; break;
- case 0x039d : out[k++]=0x9f; out[k++]=0x8d; break;
- case 0x039e : out[k++]=0x9f; out[k++]=0x8e; break;
- case 0x039f : out[k++]=0x9f; out[k++]=0x8f; break;
- case 0x03a0 : out[k++]=0x9f; out[k++]=0x90; break;
- case 0x03a1 : out[k++]=0x9f; out[k++]=0x91; break;
- case 0x03a3 : out[k++]=0x9f; out[k++]=0x93; break;
- case 0x03a4 : out[k++]=0x9f; out[k++]=0x94; break;
- case 0x03a5 : out[k++]=0x9f; out[k++]=0x95; break;
- case 0x03a6 : out[k++]=0x9f; out[k++]=0x96; break;
- case 0x03a7 : out[k++]=0x9f; out[k++]=0x97; break;
- case 0x03a8 : out[k++]=0x9f; out[k++]=0x98; break;
- case 0x03a9 : out[k++]=0x9f; out[k++]=0x99; break;
- case 0x03b1 : out[k++]=0x81; break;
- case 0x03b2 : out[k++]=0x82; break;
- case 0x03b3 : out[k++]=0x83; break;
- case 0x03b4 : out[k++]=0x84; break;
- case 0x03b5 : out[k++]=0x85; break;
- case 0x03b6 : out[k++]=0x86; break;
- case 0x03b7 : out[k++]=0x87; break;
- case 0x03b8 : out[k++]=0x88; break;
- case 0x03b9 : out[k++]=0x89; break;
- case 0x03ba : out[k++]=0x8a; break;
- case 0x03bb : out[k++]=0x8b; break;
- case 0x03bc : out[k++]=0x8c; break;
- case 0x03bd : out[k++]=0x8d; break;
- case 0x03be : out[k++]=0x8e; break;
- case 0x03bf : out[k++]=0x8f; break;
- case 0x03c0 : out[k++]=0x90; break;
- case 0x03c1 : out[k++]=0x91; break;
- case 0x03c2 : out[k++]=0x92; break;
- case 0x03c3 : out[k++]=0x93; break;
- case 0x03c4 : out[k++]=0x94; break;
- case 0x03c5 : out[k++]=0x95; break;
- case 0x03c6 : out[k++]=0x96; break;
- case 0x03c7 : out[k++]=0x96; break;
- case 0x03c8 : out[k++]=0x98; break;
- case 0x03c9 : out[k++]=0x99; break;
- default:
- if (x > 255)
- {
- cd->my_errno = YAZ_ICONV_EILSEQ;
- return (size_t) -1;
- }
- out[k++] = x;
- break;
- }
- *outbytesleft -= k;
- (*outbuf) += k;
- return 0;
-}
-
static unsigned long yaz_read_marc8_comb (yaz_iconv_t cd, unsigned char *inp,
size_t inbytesleft, size_t *no_read,
int *comb)
{
*no_read = 0;
- while(inbytesleft >= 1 && inp[0] == 27)
+ while (inbytesleft > 0 && *inp == 27)
{
- int ch;
+ int *modep = &cd->g0_mode;
size_t inbytesleft0 = inbytesleft;
- inp++;
+
inbytesleft--;
- if (inbytesleft > 0 && *inp == '$')
+ inp++;
+ if (inbytesleft == 0)
+ goto incomplete;
+ if (*inp == '$') /* set with multiple bytes */
{
inbytesleft--;
inp++;
}
- if (inbytesleft <= 1)
+ if (inbytesleft == 0)
+ goto incomplete;
+ if (*inp == '(' || *inp == ',') /* G0 */
{
- *no_read = 0;
- cd->my_errno = YAZ_ICONV_EINVAL;
- return 0;
+ inbytesleft--;
+ inp++;
}
- inbytesleft--;
- ch = *inp++;
- if (inbytesleft > 0 && (ch == '(' || ch == ','))
+ else if (*inp == ')' || *inp == '-') /* G1 */
{
inbytesleft--;
- cd->g0_mode = *inp++;
+ inp++;
+ modep = &cd->g1_mode;
}
- else if (inbytesleft > 0 && (ch == ')' || ch == '-'))
+ if (inbytesleft == 0)
+ goto incomplete;
+ if (*inp == '!') /* ANSEL is a special case */
{
inbytesleft--;
- cd->g1_mode = *inp++;
+ inp++;
}
- else
- cd->g0_mode = ch;
+ if (inbytesleft == 0)
+ goto incomplete;
+ *modep = *inp++; /* Final character */
+ inbytesleft--;
(*no_read) += inbytesleft0 - inbytesleft;
}
- if (inbytesleft <= 0)
+ if (inbytesleft == 0)
return 0;
else if (*inp == ' ')
{
*no_read += no_read_sub;
return x;
}
-}
-
-static size_t yaz_write_UTF8(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- return yaz_write_UTF8_char(x, outbuf, outbytesleft, &cd->my_errno);
-}
-
-size_t yaz_write_UTF8_char(unsigned long x,
- char **outbuf, size_t *outbytesleft,
- int *error)
-{
- unsigned char *outp = (unsigned char *) *outbuf;
-
- if (x <= 0x7f && *outbytesleft >= 1)
- {
- *outp++ = (unsigned char) x;
- (*outbytesleft)--;
- }
- else if (x <= 0x7ff && *outbytesleft >= 2)
- {
- *outp++ = (unsigned char) ((x >> 6) | 0xc0);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 2;
- }
- else if (x <= 0xffff && *outbytesleft >= 3)
- {
- *outp++ = (unsigned char) ((x >> 12) | 0xe0);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 3;
- }
- else if (x <= 0x1fffff && *outbytesleft >= 4)
- {
- *outp++ = (unsigned char) ((x >> 18) | 0xf0);
- *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 4;
- }
- else if (x <= 0x3ffffff && *outbytesleft >= 5)
- {
- *outp++ = (unsigned char) ((x >> 24) | 0xf8);
- *outp++ = (unsigned char) (((x >> 18) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 5;
- }
- else if (*outbytesleft >= 6)
- {
- *outp++ = (unsigned char) ((x >> 30) | 0xfc);
- *outp++ = (unsigned char) (((x >> 24) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 18) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 6;
- }
- else
- {
- *error = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- *outbuf = (char *) outp;
+incomplete:
+ *no_read = 0;
+ cd->my_errno = YAZ_ICONV_EINVAL;
return 0;
}
-static size_t yaz_write_ISO8859_1 (yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
+static size_t yaz_write_ISO8859_1(yaz_iconv_t cd, unsigned long x,
+ char **outbuf, size_t *outbytesleft)
{
/* list of two char unicode sequence that, when combined, are
equivalent to single unicode chars that can be represented in
return 0;
}
-static size_t yaz_write_UCS4 (yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- unsigned char *outp = (unsigned char *) *outbuf;
- if (*outbytesleft >= 4)
- {
- *outp++ = (unsigned char) (x>>24);
- *outp++ = (unsigned char) (x>>16);
- *outp++ = (unsigned char) (x>>8);
- *outp++ = (unsigned char) x;
- (*outbytesleft) -= 4;
- }
- else
- {
- cd->my_errno = YAZ_ICONV_E2BIG;
- return (size_t)(-1);
- }
- *outbuf = (char *) outp;
- return 0;
-}
-
-static size_t yaz_write_UCS4LE (yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- unsigned char *outp = (unsigned char *) *outbuf;
- if (*outbytesleft >= 4)
- {
- *outp++ = (unsigned char) x;
- *outp++ = (unsigned char) (x>>8);
- *outp++ = (unsigned char) (x>>16);
- *outp++ = (unsigned char) (x>>24);
- (*outbytesleft) -= 4;
- }
- else
- {
- cd->my_errno = YAZ_ICONV_E2BIG;
- return (size_t)(-1);
- }
- *outbuf = (char *) outp;
- return 0;
-}
-
static unsigned long lookup_marc8(yaz_iconv_t cd,
unsigned long x, int *comb,
const char **page_chr)
*page_chr = ESC "(B";
return x;
}
- x = yaz_marc8r_67_conv(inp, inbytesleft, &no_read_sub, comb);
- if (x)
- {
- *page_chr = ESC "g";
- return x;
- }
x = yaz_marc8r_62_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
return 0;
}
+void yaz_iconv_set_errno(yaz_iconv_t cd, int no)
+{
+ cd->my_errno = no;
+}
+
/*
* Local variables:
* c-basic-offset: 4